Chromatography chemicals, namely, carrier gases; laboratory chemicals for use in scientific research, in analytical scientific testing, and in organic chemical synthesis, other than for medical or veterinary purposes; reagents for scientific or medical research use, namely, acids, bases and salts for scientific or research use, for analytical testing and for chemical synthesis; full line of chemicals, namely, research chemicals, inorganic compounds, organic compounds, organometallic compounds, chemical elements, electronic grade chemicals, analytical standards, chemicals for use as fluxes, and catalysts, all for laboratory, scientific research and analytical scientific testing use and not for medical or veterinary purposes; eukaryotic culture media for growing cells for laboratory purposes; bacterial culture media for growing bacterial cells for laboratory use; rare earth metals and their oxides, namely, cerium (Ce), dysprosium (Dy), erbium (Er), europeum (Eu), gadolinium (Gd), holmium (Ho), lanthanum (La), lutetium (Lu), neodymium (Nd), praseodymium (Pr) samarium (Sm), scandium (Sc), terbium (Tb), thulium (Tm ), ytterbium (Yb) and yttrium (Y), each in elemental form and as oxides, and promethium (Pm) in elemental form